Chromatography cassette



FIG. 1 is a top and right front perspective view of a chromatography cassette showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a cross-sectional view thereof as taken from line 5--5 of FIG. 2;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a chromatography cassette, as shown and described. 